The pulse charger is made from the highest quality of electronics components and is fully compliant with the CE and LVD standards. It has a special protection system against overheating and surges. Model ID: TFK-TC-1100B Input voltage: 110-240V~ Alternating current input frequency: 50-60Hz, 0.3A Output voltage: 5.0V Output current: 1.0A Output power: 5W Average efficiency at work: > 73.6% Efficiency at low load (10%): > 63.6% Energy consumption without load: < 0.1W Input: Micro USB Cable lenght: 1.13m Box size: A: 8 cm B: 10 cm C: 3 cm D: 13 cm